€260 Find Cheap Flights from Seattle to Ireland

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Ireland departing on 14/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Best Ireland Flight Deals from Seattle

Cheapest return prices found by our users on KAYAK in the last 72 hours

Dublin
Dublin1 stop€383
Cork
Cork1 stop€601
Shannon
Shannon1 stop€560
Milltown (Kerry)
Milltown (Kerry)1 stop€714

Cheap Flight Deals from Seattle to Ireland (SEA-IE0)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Seattle to Ireland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Seattle to Ireland

Recommended return flight deals departing in the coming months from the most popular airlines that fly from Seattle to Ireland.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
Icelandair Logo
15:45 - 13:15SEA-DUB
13h 30m1 stop
Icelandair Logo
14:15 - 11:25DUB-SEA
29h 10m1 stop
€383Icelandair
Find Deal
Mon, 4 Aug - Tue, 19 Aug
Icelandair Logo
23:30 - 13:15SEA-DUB
29h 45m1 stop
Icelandair Logo
12:15 - 11:25DUB-SEA
31h 10m1 stop
€384Icelandair
Find Deal
Thu, 7 Aug - Wed, 20 Aug
Air Canada Logo
05:35 - 07:45SEA-DUB
18h 10m2 stops
Air Canada Logo
09:20 - 09:21DUB-SEA
32h 01m2 stops
€418Air Canada
Find Deal
Mon, 4 Aug - Tue, 19 Aug
Scandinavian Airlines Logo
16:20 - 18:15SEA-DUB
17h 55m1 stop
Scandinavian Airlines Logo
19:05 - 14:00DUB-SEA
26h 55m1 stop
€430Scandinavian Airlines
Find Deal
Sun, 5 Oct - Tue, 14 Oct
Scandinavian Airlines Logo
16:20 - 18:15SEA-DUB
17h 55m1 stop
Scandinavian Airlines Logo
19:05 - 14:00DUB-SEA
26h 55m1 stop
€431Scandinavian Airlines
Find Deal
Sun, 5 Oct - Tue, 14 Oct
United Airlines Logo
00:20 - 09:45SEA-DUB
25h 25m1 stop
United Airlines Logo
09:20 - 14:16DUB-SEA
12h 56m1 stop
€433United Airlines
Find Deal
Sun, 3 Aug - Tue, 19 Aug
United Airlines Logo
07:20 - 07:45SEA-DUB
16h 25m1 stop
United Airlines Logo
09:20 - 09:21DUB-SEA
32h 01m1 stop
€463United Airlines
Find Deal
Wed, 10 Sep - Wed, 17 Sep
Air Canada Logo
05:45 - 07:45SEA-DUB
18h 00m2 stops
Air Canada Logo
09:50 - 09:21DUB-SEA
31h 31m2 stops
€468Air Canada
Find Deal
Wed, 10 Sep - Wed, 17 Sep
 Logo
05:35 - 07:45SEA-DUB
18h 10m2 stops
 Logo
09:20 - 18:49DUB-SEA
17h 29m2 stops
€470
Find Deal
Mon, 4 Aug - Tue, 19 Aug
 Logo
00:20 - 09:45SEA-DUB
25h 25m1 stop
 Logo
09:20 - 09:21DUB-SEA
32h 01m1 stop
€479
Find Deal
Sun, 3 Aug - Tue, 19 Aug

KAYAK's insights & trends for Seattle to Ireland flights

Get data-powered insights and trends into flights from Seattle to Ireland to help you find the cheapest flights, the best time to fly, and much more.

What is the cheapest Seattle to Ireland flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for round-trip flights from Seattle to Ireland.
The cheapest ticket to Ireland from Seattle found in the last 72 hours was to Dublin, at €781 return. The most popular route is from Seattle (SEA) to Dublin (DUB), and the cheapest round-trip airline ticket found on this route in the last 72 hours was €781.

What is the cheapest time of day to fly to Ireland?

The average price for all round-trip flights from Seattle to Ireland depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
The cheapest time of day to fly to Ireland is generally in the evening, when retur flights cost €561 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to Ireland is generally in the evening, which is peak travel time and where the average cost of a ticket is €561.

What is the cheapest month to fly from Seattle to Ireland?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Ireland, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Seattle to Ireland is January, when tickets cost €385 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of return tickets is €904 and €779 respectively.

How far in advance should I book a flight from Seattle to Ireland?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to Ireland, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below-average price on the flight from Seattle to Ireland, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Good to know

Low season

January

High season

September

Cheapest flight

€260
Best time to beat the crowds (29% less expensive on average)
Most popular time to fly (3% more expensive on average)
Flight from Seattle to Dublin

FAQs - booking Ireland flights

  • Are there lounges at Paine Field Airport (PAE)?

    Yes. The lounges include American Airlines Admirals Club, US Airways Club, Alaska Airlines Board Room and United Red Carpet Lounge. They are located at various terminals within the airport. They offer snacks, drinks and a resting place as you wait for the departure time of your flight.

  • Are there facilities for pets at Boeing Airport?

    Yes. There is a pet-relief area located within the airport. You need to consult the airport on your pet's security screening to avoid inconveniences. There is a grassy area where your pet can play. You are required to be with your pet for it not to interfere with other travelers.

  • Does Shannon Airport offer ground transportation?

    Yes. There is a taxi available at the Arrival hall. This private means of transportation offers you a ride at a pocket-friendly rate. Bus service is also available to ensure that several people are accommodated. It operates from the airport to the city center at intervals of 15 minutes.

  • Is there a gallery at Knock Airport (NOC)?

    Yes. An aviation gallery is available at the airport to take care of the aquatic life. It is located within the airport to ensure that departing travelers have some time at the airport. You can access the service regardless of the class of your flight.

  • How does KAYAK find such low prices on flights from Seattle to Ireland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Ireland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Ireland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Seattle to Ireland is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Ireland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Seattle to Ireland with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Ireland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Seattle to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Ireland

  • Lake Union Airport (LKE) offers facilities to travelers with limited mobility. The airport has a wheelchair shuttle service available 24 hours a day. You must book online for the service to avoid any inconvenience on arrival at the airport. The airport has ramps to ensure there is the ease of movement using the wheelchair.
  • Lake Union Airport has a lactating room that is relevant to breastfeeding mothers. You can freely and privately breastfeed your baby with no interference from anybody. A comfortable sitting area gives you peace and comfort as you breastfeed your baby. Power outlets are available to ensure you can pump milk for your baby for later use on the flight.
  • Boeing airport (BFI) offers parking facilities to departing travelers. Several parking lots are available on the airport grounds at different rates. Airline passengers parking in parking lot C should exit the airport and turn left. Passengers can also take a courtesy shuttle bus to the C parking lot or walk for about five minutes to get there from the baggage claim area.
  • Shannon Airport (SNN) offers car rental services to arriving travelers. Avis, Budget and Dooley help in facilitating you to your destination. The services are available online. Therefore, you need to book. The service is offered until very late to ensure all the travelers access the service. The charges offered are pocket friendly to all travelers.
  • Dublin Airport (PUB) offers business facilities to business travelers. There is a meeting facility within the airport where you can hold meetings on arrival. There is a workstation where you can do your work since there is the power to charge your machine. A printer is there for you to print the necessary documents that you need.
See more tips

Everything you need to know for your flight from Seattle to Ireland

Information on your arrival and departure airports

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